:root {
    --primary-color: #0B2545;
    --accent-color: #1ECAD3;
    --gradient-blue: #2F80ED;
    --success-color: #16A34A;
    --warm-accent: #F59E0B;
    --bg-main: #FFFFFF;
    --bg-section: #F6FAFC;
    --bg-soft: #ECF8FA;
    --text-primary: #0B2545;
    --text-secondary: #4F6D7A;
    --border-color: #D6EEF1;
    --shadow-soft: 0 12px 32px rgba(11, 37, 69, 0.08);
    --shadow-hover: 0 20px 42px rgba(11, 37, 69, 0.14);
}

.blog-hero {
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(120deg, rgba(11, 37, 69, 0.98) 0%, rgba(11, 37, 69, 0.94) 46%, rgba(18, 59, 99, 0.92) 100%),
        linear-gradient(90deg, rgba(30, 202, 211, 0.18), rgba(245, 158, 11, 0.08)),
        linear-gradient(135deg, #0B2545 0%, #123B63 100%);
    color: #fff;
    padding: 126px 0 78px;
}

.blog-listing-hero {
    padding-bottom: 88px;
}

.blog-detail-hero {
    padding-bottom: 72px;
}

.blog-hero h1 {
    max-width: 920px;
    font-size: clamp(2.1rem, 4vw, 4rem);
    line-height: 1.08;
    letter-spacing: 0;
    margin: 0;
}

.blog-hero p {
    color: rgba(255, 255, 255, 0.86);
    max-width: 780px;
    font-size: 1.04rem;
    line-height: 1.75;
}

.blog-hero-card {
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    padding: 24px;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.16);
    backdrop-filter: blur(16px);
}

.blog-hero-card span,
.blog-growth-cta span,
.blog-inline-cta span,
.blog-section-heading span,
.blog-contact-card span {
    display: inline-flex;
    color: var(--accent-color);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

.blog-hero-card strong {
    display: block;
    margin: 9px 0;
    color: #fff;
    font-size: clamp(1.45rem, 2.4vw, 2rem);
}

.blog-hero-card p {
    margin-bottom: 18px;
    font-size: 0.96rem;
}

.blog-badge {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    border: 1px solid rgba(30, 202, 211, 0.22);
    border-radius: 8px;
    padding: 7px 12px;
    background: rgba(30, 202, 211, 0.12);
    color: var(--primary-color);
    font-size: 0.8rem;
    font-weight: 800;
    line-height: 1;
    text-decoration: none;
}

.blog-hero .blog-badge {
    color: #E9FCFE;
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
}

.blog-badge:hover {
    color: var(--primary-color);
    background: rgba(30, 202, 211, 0.2);
}

.blog-hero .blog-badge:hover {
    color: #fff;
}

.blog-layout {
    padding: 74px 0;
    background: linear-gradient(180deg, #FFFFFF 0%, #F7FBFD 100%);
}

.blog-search-panel {
    margin-top: -110px;
    position: relative;
    z-index: 2;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #fff;
    padding: 22px;
    box-shadow: var(--shadow-soft);
}

.blog-search-panel label {
    color: var(--text-primary);
    font-weight: 700;
}

.blog-search-panel .form-control,
.blog-search-panel .form-select,
.blog-sidebar-card .form-control,
.lead-box .form-control,
.lead-box .form-select,
.lead-box textarea,
.blog-comment-form .form-control {
    border-color: var(--border-color);
    border-radius: 8px;
    min-height: 46px;
}

.blog-search-panel .form-control:focus,
.blog-search-panel .form-select:focus,
.blog-sidebar-card .form-control:focus,
.lead-box .form-control:focus,
.lead-box .form-select:focus,
.lead-box textarea:focus,
.blog-comment-form .form-control:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 0.18rem rgba(30, 202, 211, 0.18);
}

.blog-section-heading {
    margin-bottom: 22px;
}

.blog-section-heading h2 {
    color: var(--text-primary);
    font-size: clamp(1.5rem, 2.2vw, 2.15rem);
    line-height: 1.2;
    margin: 8px 0 0;
}

.blog-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 10px 24px rgba(11, 37, 69, 0.06);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.blog-card:hover {
    transform: translateY(-5px);
    border-color: rgba(30, 202, 211, 0.55);
    box-shadow: var(--shadow-hover);
}

.blog-card-media,
.related-box-media {
    display: block;
    overflow: hidden;
    background: var(--bg-soft);
}

.blog-card-media img,
.related-box-media img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    transition: transform 0.35s ease;
}

.blog-card:hover .blog-card-media img,
.related-box:hover .related-box-media img {
    transform: scale(1.04);
}

.blog-card-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 13px;
    padding: 22px;
}

.blog-card-title {
    margin: 0;
    font-size: 1.22rem;
    line-height: 1.35;
}

.blog-card-title a,
.related-box h3 a,
.blog-link-list a {
    color: var(--text-primary);
    text-decoration: none;
}

.blog-card-title a:hover,
.related-box h3 a:hover,
.blog-link-list a:hover span {
    color: var(--gradient-blue);
}

.blog-card-body p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

.blog-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 14px;
    color: var(--text-secondary);
    font-size: 0.88rem;
}

.blog-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.blog-meta i {
    color: var(--accent-color);
}

.blog-meta-light {
    color: rgba(255, 255, 255, 0.82);
}

.blog-read-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    width: fit-content;
    margin-top: auto;
    color: var(--primary-color);
    font-weight: 800;
    text-decoration: none;
}

.blog-read-more i {
    color: var(--accent-color);
    transition: transform 0.2s ease;
}

.blog-read-more:hover i {
    transform: translateX(3px);
}

.blog-sidebar-stack {
    display: grid;
    gap: 18px;
}

.toc-box,
.blog-sidebar-card,
.course-promo,
.lead-box,
.author-box,
.related-box,
.blog-contact-card,
.blog-inline-cta,
.blog-growth-cta {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #fff;
    padding: 22px;
    box-shadow: 0 10px 25px rgba(11, 37, 69, 0.06);
}

.toc-box {
    position: sticky;
    top: 96px;
}

.toc-box h2,
.blog-sidebar-card h2,
.blog-sidebar-card h3,
.course-promo h2,
.lead-box h2,
.lead-box h3 {
    color: var(--text-primary);
}

.toc-box ul {
    padding-left: 18px;
    margin-bottom: 0;
}

.toc-box li {
    margin: 9px 0;
    color: var(--text-secondary);
}

.toc-box a {
    color: var(--text-primary);
    text-decoration: none;
}

.toc-box a:hover {
    color: var(--gradient-blue);
}

.blog-sidebar-search {
    display: grid;
    grid-template-columns: 1fr 48px;
    gap: 8px;
}

.blog-sidebar-search .btn {
    padding-left: 0;
    padding-right: 0;
}

.blog-link-list {
    display: grid;
    gap: 12px;
}

.blog-link-list a {
    display: grid;
    gap: 4px;
    border-bottom: 1px solid rgba(214, 238, 241, 0.72);
    padding-bottom: 12px;
}

.blog-link-list a:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.blog-link-list span {
    font-weight: 700;
    line-height: 1.4;
}

.blog-link-list small {
    color: var(--text-secondary);
}

.blog-category-list,
.blog-tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.blog-category-list a,
.blog-tag-list a {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-section);
    color: var(--primary-color);
    padding: 7px 11px;
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 700;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.blog-category-list a:hover,
.blog-tag-list a:hover {
    border-color: var(--accent-color);
    background: rgba(30, 202, 211, 0.14);
    color: var(--primary-color);
}

.blog-social-list,
.blog-mini-socials {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.blog-social-list a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #fff;
    color: var(--text-primary);
    padding: 9px 11px;
    text-decoration: none;
    font-weight: 700;
}

.blog-social-list a:hover {
    border-color: var(--accent-color);
    background: var(--bg-soft);
}

.blog-mini-socials a,
.blog-share-strip a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    color: #fff;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.blog-mini-socials a:hover {
    background: var(--accent-color);
    color: var(--primary-color);
}

.course-promo {
    background: linear-gradient(135deg, rgba(30, 202, 211, 0.14), rgba(245, 158, 11, 0.1));
}

.lead-box {
    background: var(--bg-section);
}

.blog-contact-card,
.blog-growth-cta,
.blog-inline-cta {
    background:
        linear-gradient(135deg, rgba(11, 37, 69, 0.97), rgba(18, 59, 99, 0.96)),
        linear-gradient(135deg, #0B2545, #123B63);
    color: #fff;
}

.blog-contact-card h3 {
    margin: 8px 0;
    color: #fff;
    font-size: 1.5rem;
}

.blog-contact-card p,
.blog-growth-cta p,
.blog-inline-cta p {
    color: rgba(255, 255, 255, 0.84);
}

.blog-cta-row,
.blog-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.blog-whatsapp,
.blog-call,
.blog-ghost-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 46px;
    border-radius: 8px;
    padding: 11px 16px;
    color: #fff;
    text-decoration: none;
    font-weight: 800;
    line-height: 1;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.blog-whatsapp {
    background: var(--success-color);
    box-shadow: 0 10px 22px rgba(22, 163, 74, 0.22);
}

.blog-call {
    background: var(--primary-color);
    box-shadow: 0 10px 22px rgba(11, 37, 69, 0.2);
}

.blog-hero .blog-call,
.blog-inline-cta .blog-call,
.blog-growth-cta .blog-call,
.blog-contact-card .blog-call {
    background: var(--accent-color);
    color: var(--primary-color);
}

.blog-ghost-button {
    border: 1px solid rgba(255, 255, 255, 0.42);
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.blog-layout .blog-ghost-button {
    border-color: rgba(255, 255, 255, 0.46);
}

.blog-whatsapp:hover,
.blog-call:hover,
.blog-ghost-button:hover {
    transform: translateY(-2px);
    color: #fff;
}

.blog-hero .blog-call:hover,
.blog-inline-cta .blog-call:hover,
.blog-growth-cta .blog-call:hover,
.blog-contact-card .blog-call:hover {
    color: var(--primary-color);
}

.blog-article {
    background: #fff;
}

.blog-featured-image {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: var(--shadow-soft);
    margin-bottom: 18px;
    background: var(--bg-soft);
}

.blog-share-strip {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #fff;
    padding: 12px 14px;
    margin-bottom: 28px;
    box-shadow: 0 8px 18px rgba(11, 37, 69, 0.05);
}

.blog-share-strip span {
    color: var(--text-primary);
    font-weight: 800;
}

.blog-share-strip div {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.blog-share-strip a {
    background: var(--bg-section);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.blog-share-strip a:hover {
    background: var(--accent-color);
    color: var(--primary-color);
}

.blog-article-content {
    color: #263F5D;
    font-size: 1.05rem;
    line-height: 1.86;
}

.blog-article-content h2,
.blog-article-content h3,
.blog-article-content h4 {
    color: var(--primary-color);
    line-height: 1.26;
    margin-top: 2.1rem;
    margin-bottom: 1rem;
}

.blog-article-content h2 {
    font-size: clamp(1.55rem, 2.4vw, 2.2rem);
}

.blog-article-content h3 {
    font-size: clamp(1.25rem, 2vw, 1.6rem);
}

.blog-article-content p,
.blog-article-content ul,
.blog-article-content ol {
    margin-bottom: 1.15rem;
}

.blog-article-content a {
    color: var(--gradient-blue);
    font-weight: 700;
}

.blog-article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 8px 22px rgba(11, 37, 69, 0.08);
}

.blog-article-content blockquote {
    border-left: 4px solid var(--accent-color);
    padding: 14px 18px;
    background: var(--bg-section);
    border-radius: 0 8px 8px 0;
    color: var(--text-primary);
}

.blog-article-content pre {
    background: #07172A;
    color: #EEF8FF;
    padding: 18px;
    border-radius: 8px;
    overflow-x: auto;
}

.blog-article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    background: #fff;
}

.blog-article-content th,
.blog-article-content td {
    border: 1px solid var(--border-color);
    padding: 12px;
    vertical-align: top;
}

.blog-article-content th {
    background: var(--bg-section);
    color: var(--text-primary);
}

.blog-inline-cta {
    margin: 38px 0 30px;
}

.blog-inline-cta h2,
.blog-growth-cta h2 {
    color: #fff;
    font-size: clamp(1.55rem, 2.6vw, 2.25rem);
    line-height: 1.18;
    margin: 8px 0 10px;
}

.blog-growth-cta {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 22px;
    margin-top: 52px;
}

.blog-content-section,
.author-box {
    margin-top: 44px;
}

.author-box img {
    flex: 0 0 auto;
    object-fit: cover;
    border: 1px solid var(--border-color);
    background: var(--bg-soft);
}

.related-box {
    display: grid;
    gap: 14px;
    overflow: hidden;
    padding: 0;
}

.related-box > div {
    padding: 0 16px 18px;
}

.related-box h3 {
    line-height: 1.35;
    margin-bottom: 8px;
}

.related-box p {
    color: var(--text-secondary);
}

.blog-comment {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #fff;
    padding: 16px;
    margin-bottom: 14px;
}

.blog-comment strong {
    display: block;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.blog-comment-form {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-section);
    padding: 18px;
}

.blog-accordion .accordion-item {
    border-color: var(--border-color);
}

.blog-accordion .accordion-button {
    color: var(--text-primary);
    font-weight: 800;
}

.blog-accordion .accordion-button:not(.collapsed) {
    background: var(--bg-soft);
    color: var(--primary-color);
    box-shadow: none;
}

.blog-empty-state {
    min-height: 220px;
    display: grid;
    align-content: center;
}

.faq-question {
    width: 100%;
    border: 0;
    background: transparent;
    color: var(--primary-color);
    font-weight: 700;
    text-align: left;
    padding: 16px 0;
}

.faq-answer {
    border-top: 1px solid var(--border-color);
    padding: 14px 0 4px;
}

.google-preview {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 14px;
    background: #fff;
}

.google-preview-title {
    color: #1A0DAB;
    font-size: 1.15rem;
}

.google-preview-url {
    color: #006621;
    font-size: 0.86rem;
}

.sticky-mobile-cta {
    display: none;
}

@media (max-width: 1199px) {
    .blog-growth-cta {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 991px) {
    .blog-hero {
        padding: 108px 0 62px;
    }

    .blog-search-panel {
        margin-top: -74px;
    }

    .toc-box {
        position: static;
    }
}

@media (max-width: 767px) {
    .blog-layout {
        padding: 46px 0 94px;
    }

    .blog-search-panel {
        margin-top: -54px;
        padding: 16px;
    }

    .blog-hero-actions,
    .blog-cta-row {
        display: grid;
        grid-template-columns: 1fr;
        width: 100%;
    }

    .blog-whatsapp,
    .blog-call,
    .blog-ghost-button {
        width: 100%;
        min-height: 50px;
        padding: 12px 14px;
    }

    .blog-card-body,
    .toc-box,
    .blog-sidebar-card,
    .course-promo,
    .lead-box,
    .author-box,
    .blog-contact-card,
    .blog-inline-cta,
    .blog-growth-cta {
        padding: 18px;
    }

    .blog-share-strip {
        align-items: flex-start;
        flex-direction: column;
    }

    .author-box .d-flex {
        flex-direction: column;
    }

    .blog-article-content {
        font-size: 1rem;
        line-height: 1.78;
    }

    .sticky-mobile-cta {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 10000;
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        box-shadow: 0 -8px 24px rgba(11, 37, 69, 0.18);
    }

    .sticky-mobile-cta a {
        border-radius: 0;
        min-height: 54px;
        width: 100%;
    }
}

@media (max-width: 420px) {
    .blog-hero h1 {
        font-size: 2rem;
    }

    .blog-sidebar-search {
        grid-template-columns: 1fr;
    }
}